The amounts of precious metals found to exist along the roof pendants led to many scientific studies being done in this area and thus much is known about the formation of these features.
Roof pendant geology.
Posts about roof pendant written by marli miller.
Geology of the gull lake pendant modified from stevens and greene 1999.
Geology of paleozoic rocks in eastern sierra nevada roof pendants california 247 figure 9.
Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body.
In structural geology a roof pendant which also known as a pendant is a mass of country rock that projects downward into and is entirely surrounded by an igneous intrusion such as a batholith or other pluton in lay terminology sometimes rock hat is used.
The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths.
They are exposed by erosion of the overlying rock.
In figure 2 below an overview of the general geology of the best studied roof pendants of the sierra nevada is given.
The roof pendants occur as isolated pieces of the surrounding rock.
The presence of roof pendants indicates that the igneous body is being observed near its upper surface.
A roof pendant is an erosional remnant that was created by the removal by erosion of the overlying country rock that formed the roof of.